President Clinton campaigned for Hillary today in Sioux City.

- Former
President Bill Clinton speaks at a campaign event for his wife,
Democratic presidential candidate Hillary Clinton, Friday, Jan. 15,
2016, at Morningside College in Sioux City, Iowa. (AP Photo/Nati Harnik)

- Former
President Bill Clinton meets with members of his audience after
speaking at a campaign event for his wife, Democratic presidential
candidate Hillary Clinton, Friday, Jan. 15, 2016, at Morningside College
in Sioux City, Iowa. (AP Photo/Nati Harnik)

- Former
President Bill Clinton poses for a photo with members of the audience
after speaking at a campaign event for his wife, Democratic presidential
candidate Hillary Clinton, Friday, Jan. 15, 2016, at Morningside
College in Sioux City, Iowa. (AP Photo/Nati Harnik)